스토리지 엔진
InnoDB
Supports transactions, row-level locking, and foreign keys
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환경설정값
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버퍼풀
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InnoDB 상태
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2026-03-05 22:06:33 0x7f1bb62e5700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 41 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 12 srv_active, 0 srv_shutdown, 333 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 40
OS WAIT ARRAY INFO: signal count 42
RW-shared spins 2, rounds 2, OS waits 0
RW-excl spins 1, rounds 31, OS waits 2
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.00 RW-shared, 31.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 9856
Purge done for trx's n:o < 9856 undo n:o < 0 state: running but idle
History list length 99
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421233036487272, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421233036486400, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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FILE I/O
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I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 0; buffer pool: 0
1302 OS file reads, 574 OS file writes, 199 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
insert 0, delete mark 0, delete 0
discarded operations:
insert 0, delete mark 0, delete 0
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 5 buffer(s)
3039.39 hash searches/s, 2471.74 non-hash searches/s
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LOG
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Log sequence number 50988120
Log buffer assigned up to 50988120
Log buffer completed up to 50988120
Log written up to 50988120
Log flushed up to 50988120
Added dirty pages up to 50988120
Pages flushed up to 50988120
Last checkpoint at 50988120
155 log i/o's done, 0.00 log i/o's/second
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BUFFER POOL AND MEMORY
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Total large memory allocated 137363456
Dictionary memory allocated 576961
Buffer pool size 8192
Free buffers 6829
Database pages 1348
Old database pages 517
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1199, created 149, written 355
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1348, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=370, Main thread ID=139757553125120 , state=sleeping
Number of rows inserted 23, updated 379, deleted 0, read 1534707
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 3822.91 reads/s
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END OF INNODB MONITOR OUTPUT
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